Toshiba MMY-MAP1004HT8-E Power supply wire connection, Communication wire connection, SMMS-i

41-EN – 21 – 42-EN

SMMS-i Installation Manual

Power supply terminal

block

Cord clamps

Communication terminal block

Power supply wires

Cord clamp

Earth screw

Communication wires

◆Power supply wire connection

1.Insert the power supply wire through the cutout on the side of the electric parts box and connect the power supply wire to the power supply terminal block and the earth line to the earth screw. After that, fix the power supply wire with the 2 cord clamps.

2.Be sure to use round-type crimping terminals for power connection.

Also, apply insulating sleeves to the crimping parts. Use a driver of appropriate size to fix the terminal screws.

L1 L2 L3 N

L1 L2 L3 N

10mm or more
Earth line	Power supply wire

SMMS-i		Installation Manual
Screw size and tightening torque
	Screw size	Tightening torque
		(N•m)
Power supply terminal	M6	2.5 to 3.0
Earth screw	M8	5.5 to 6.6

◆Communication wire connection

Get the communication wire through the cutout on the side of the electric parts box and connect it to the communication wire terminals, then fix it with the communication cable clamp.

U1	U2	U3	U4	U5	U6
TO		TO		TO
		CENTRAL
INDOOR				OUTDOOR
		CONTROL
UNIT		LER		UNIT
						U5, U6: Communication wiring between outdoor units
						U3, U4: Central control device
						U1, U2: Communication wiring between Indoor/Outdoor unit
Screw size and tightening torque
					Screw size		Tightening torque
							(N•m)
Communication wire terminal					M3.5		0.80 to 0.96